Other
Gem Hut: Zircon
This commercial page gives information about the physical properties of zircon, its appearance, and where it can be found. Includes pictures and tables.
Cosmo Learning
Cosmo Learning: Engineering Geology
A collection of video lectures from a course introducing students to the basics of engineering geology. Webpage includes forty lectures from a professor at the National Programme on Technology Enhanced Learning. Lectures vary in length...
Curated OER
Boulder Opal
This site gives basic information on the physical characteristics of opal. Also gives information on class, group and uses and provides a picture and chart.
Curated OER
Jelly Opal
This site gives basic information on the physical characteristics of opal. Also gives information on class, group and uses and provides a picture and chart.
Curated OER
Yowah Nut Opal
This site gives basic information on the physical characteristics of opal. Also gives information on class, group and uses and provides a picture and chart.
Curated OER
Hyalite
This site gives basic information on the physical characteristics of opal. Also gives information on class, group and uses and provides a picture and chart.
Curated OER
Precious Opal
This site gives basic information on the physical characteristics of opal. Also gives information on class, group and uses and provides a picture and chart.
Curated OER
Opalite
This site gives basic information on the physical characteristics of opal. Also gives information on class, group and uses and provides a picture and chart.
Curated OER
The Amethyst Gallery: Peridot
This brief article has information on the physical characteristics of peridot and where it is found. Includes information about color, uses, and hardness, and provides pictures of the gem.
Amethyst Galleries
Amethyst Galleries/brucite
The mineral brucite is made of magnesium hydroxide. A picture and physical characteristics are given here.
Other
Gem Hut: Sky Blue Topaz
A commercial site with a short description of the physical properties of topaz, and pictures of cut and polished stones for sale.
Science Education Resource Center at Carleton College
Serc: Investigating Rocks
In this classroom guided inquiry lesson, students will become geologists. They will investigate rocks and the properties we can use to describe them. Students will observe, record, and reflect on their findings. They will record their...
National High Magnetic Field Laboratory
Magnet Academy: Lodestone 600 Bc
The history of electricity and magnetism starts with this special mineral possessing amazing, and still mysterious, properties.
E-learning for Kids
E Learning for Kids: Science: Iceland: What Are Rocks?
Agneta lives in Iceland and loves rocks. Help her learn more about rocks and things rocks are used for.
Indiana University
Indiana University Bloomington: Geo Notes: Pyrite (Fool's Gold) [Pdf]
Explains how to tell pyrite from real gold, its use as a source of sulfur, and how the sulfur dioxide produced by burning coal containing pyrite is removed from the exhaust.
Other
Atoms in Motion: Ionic Bonds
In nature there are many different minerals we call "Salts". If you look very closely at the particles of table salt, you will find little cubic crystals. These salt crystals are made of sodium chloride (NaCl), and their cubic shape is...
Curated OER
Native Elements Class: Graphite
Description of graphite and its basic properties. Also a comparison to diamond and how they differ.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Gold Panning
Have students simulate the Gold Rush by panning for gold in the classroom.
Wikimedia
Wikipedia: Cement
Wikipedia provides this encyclopedia entry for cement that features its history, production, and use as a building material, as well as links to related topics.
Curated OER
Unesco: Slovenia: Heritage of Mercury. Almaden and Idrija
The property includes the mining sites of Almaden (Spain), where mercury (quicksilver) has been extracted since antiquity, and Idrija (Slovenia), where mercury was first found in AD1490. The Spanish property includes buildings relating...